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Designed primarily for comfort, the Silk Blend Liner adds warmth to your sleeping bag via the 72% Thermolite® Pro yarns with infra red technology, Thermolite® EcoMade fibers and 28% silk.
Add warmth to your sleep system in cool or cold conditions: with our Reactor Liner.
The Reactor Fleece Liner built from hollow-core Thermolite® Pro fibers used in a grid-pattern to deliver our warmest sleeping bag liner and the core of any quality cold weather sleep system.
As an essential component in your sleep system, the Reactor Extreme liner with Thermolite® Pro fabric using innovative infra red-absorbing ceramic pigments to give your system the thermal boost needed in colder-weather adventures.
A liner is the core of a sleep system, keeping your sleeping bag clean and improving your sleep climate.
With a rectangle shape, the stretch-knit fabric offers freedom of movement while the Coolmax Ecomade fibers wick moisture effectively to prevent you feeling clammy in humid conditions.
The THERMOLITE® Reactor liner is our top selling and lightest thermal sleeping bag liner.
The THERMOLITE® Reactor™ Extreme liner is Sea to Summit’s warmest knitted sleeping bag liner.
The Silk-Cotton Blend Travel sleeping bag liner is a practical option that uses two natural fibers blended together for premium comfort and performance.
The Expander sleeping bag liner is made of a super soft and stretchy knitted poly-cotton material.
The luxurious feel of premium AA Grade silk, made even more comfortable by stretch panels running along the main seams - all in a super lightweight, easy-care compact package.
The THERMOLITE® Reactor Fleece liner is Sea to Summit’s warmest sleeping bag liner.
The Adaptor COOLMAX® sleeping bag liner will help you adapt to varying temperatures and humidity.
This sleeping bag liner can save your life. Even the best down or synthetic filled sleeping bag will accumulate humidity on extended expeditions in arctic conditions, reducing its insulating properties.